Science MCQs

Science MCQs-1
1. Red phosphorous is used in :
a. match box manufacture
b. as an insecticide
c. as a fertilizer
d. as an explosive
2. The ‘casein’ found in milk is a :
a. carbohydrate
b. protein
c. fat
d. salt
3. Which blood group is regarded as universal donor?
a. A
b. B
c. AB
d. O
4. Which of the following organs is responsible for maintaining constant percentage of glucose in blood?
a. Liver
b. Kidneys
c. Lungs
d. Arteries
5. The graveyard of red blood corpuscles is :
a. Liver
b. Spleen
c. Intestine
d. Bone marrow
6. Which nutrient is absent in milk?
a. Calcium
b. Iron
c. Protein
d. Potassium
7. The plant which fruits only once during its life time?
a. grape
b. banana
c. papaya
d. date
8. Which metal remains liquid at normal temperature?
a. bromine
b. lead
c. cadmium
d. mercury
9. Which of the following enzymes is present in saliva?
a. amylase
b. pepsin
c. ptylin
d. maltase
10. The only natural satellite of our earth is :
a. Mercury
b. Moon
c. Jupiter
d. Venus
Answers : 1. a, 2. d, 3. d, 4. a, 5.b, 6. b, 7. b, 8. d, 9. c, 10. b.   
Science MCQs-2
11. Who discovered photo electric effect?
a. Faradey
b. Newton
c. Hertz
d. Jagdish Chandra Bose
12. Amino acid is structural unit of :
a. protein
b. fatty acid
c. carbohydrate
d. vitamin
13. Which of the following is used in atom bomb?
a. U-233
b. U-235
c. Thorium
d. Cobalt
14. Which of the following is a compound?
a. air
b. copper
c. milk
d. water
15. The phenomenon which doesn’t occur in animals is :
a. repiration
b. photosynthesis
c. excretion
d. digestion
16. Which of the following is a viral borne disease?
a. cholera
b. malaria
d. typhoid
17. The unit of solid angle is :
a. degree
b. radian
c. steradian
d. none of the above
18. Which gas is used in manufacture of vegetable ghee?
a. hydrogen
b. nitrogen
c. carbon di-oxide
d. neon
19. Vinegar is the aqueous solution of :
a. acetic acid
b. tartaric acid
c. nitric acid
d. sulphuric acid
20. Birbal Sahni Institute of Palaeobotany is located at :
a. Lucknow
b. New Delhi
c. Coimbatore
d. Nashik
Answers : 11. c, 12. a, 13. b, 14. d, 15. b, 16. c, 17. c, 18. a, 19. a, 20. a